﻿<!DOCTYPE html>
<HTML>
<HEAD>
  <TITLE> ZTREE DEMO - one root</TITLE>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <link rel="stylesheet" href="../../../css/demo.css" type="text/css">
  <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
  <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
  <!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>-->
  <SCRIPT type="text/javascript">
    <!--
    var setting = {
      view: {
        dblClickExpand: dblClickExpand
      },
      data: {
        simpleData: {
          enable: true
        }
      }
    };

    var zNodes = [
      { id: 1, pId: 0, name: "根 Root", open: true },
      { id: 11, pId: 1, name: "父节点 1-1", open: true },
      { id: 111, pId: 11, name: "叶子节点 1-1-1" },
      { id: 112, pId: 11, name: "叶子节点 1-1-2" },
      { id: 113, pId: 11, name: "叶子节点 1-1-3" },
      { id: 114, pId: 11, name: "叶子节点 1-1-4" },
      { id: 12, pId: 1, name: "父节点 1-2", open: true },
      { id: 121, pId: 12, name: "叶子节点 1-2-1" },
      { id: 122, pId: 12, name: "叶子节点 1-2-2" },
      { id: 123, pId: 12, name: "叶子节点 1-2-3" },
      { id: 124, pId: 12, name: "叶子节点 1-2-4" },
      { id: 13, pId: 1, name: "父节点 1-3", open: true },
      { id: 131, pId: 13, name: "叶子节点 1-3-1" },
      { id: 132, pId: 13, name: "叶子节点 1-3-2" },
      { id: 133, pId: 13, name: "叶子节点 1-3-3" },
      { id: 134, pId: 13, name: "叶子节点 1-3-4" }
    ];

    function dblClickExpand(treeId, treeNode) {
      return treeNode.level > 0;
    }

    $(document).ready(function() {
      $.fn.zTree.init($("#treeDemo"), setting, zNodes);
    });
    //-->
  </SCRIPT>
  <style type="text/css">
    .ztree li span.button.switch.level0 {
      visibility: hidden;
      width: 1px;
    }

    .ztree li ul.level0 {
      background: none;
      padding: 0;
    }
  </style>
</HEAD>

<BODY>
<h1>冻结根节点</h1>
<h6>[ 文件路径: super/oneroot.html ]</h6>
<div class="content_wrap">
  <div class="zTreeDemoBackground left">
    <ul id="treeDemo" class="ztree"></ul>
  </div>
  <div class="right">
    <ul class="info">
      <li class="title">
        <h2>实现方法说明</h2>
        <ul class="list">
          <li>对于这种只有一个根节点，且不显示 +/- 开关的需求，需要利用 css、setting 配合使用</li>
          <li class="highlight_red">zTree v3.x 可以针对指定的 level，进行样式设定，请查看本页面源码，查看 css 设置</li>
          <li class="highlight_red">设置 setting.view.dblClickExpand 指向 Function，可以只针对根节点关闭双击展开的操作</li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</BODY>
</HTML>